package com.suitsoft.ut.util;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

/**
 * 文件工具类.
 * 
 * @author Genius
 * 
 */
public class FileUtiles {
	/**
	 * 删除所有，除今天以外的文件.
	 * 
	 * @param path
	 * @return
	 */
	public static boolean delToday(String path) {
		SimpleDateFormat sdf = new SimpleDateFormat("yyMMdd");
		boolean flag = false;
		File file = new File(path);
		if (!file.exists())
			return flag;
		if (!file.isDirectory())
			return flag;
		String[] tempList = file.list();
		File temp = null;
		for (int i = 0; i < tempList.length; i++) {
			if (path.endsWith(File.separator)) {
				temp = new File(path + tempList[i]);
			} else {
				temp = new File(path + File.separator + tempList[i]);
			}

			if (temp.isFile()) {
				// 取得今天的日期
				int now = Integer.parseInt(sdf.format(new Date()));
				int fileDate;
				// 取得文件的最后修改时间.
				fileDate = Integer.parseInt(sdf.format(new Date(temp
						.lastModified())));
				if (fileDate < now) {
					temp.delete();
				}
			}
			if (temp.isDirectory()) {
				delToday(path + "/" + tempList[i]);
				temp.delete();
				flag = true;
			}
		}
		return flag;
	}

	// 删除文件
	// 删除文件夹
	// param photo 文件夹完整绝对路径

	public static void delFolder(String photo) {
		try {
			delAllFile(photo); // 删除完里面所有内容
			String filePath = photo;
			filePath = filePath.toString();
			java.io.File myFilePath = new java.io.File(filePath);
			myFilePath.delete(); // 删除空文件夹
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	// 删除指定文件夹下所有文件
	// param path 文件夹完整绝对路径
	public static boolean delAllFile(String path) {
		boolean flag = false;
		File file = new File(path);
		if (!file.exists())
			return flag;
		if (!file.isDirectory())
			return flag;
		String[] tempList = file.list();
		File temp = null;
		for (int i = 0; i < tempList.length; i++) {
			if (path.endsWith(File.separator)) {
				temp = new File(path + tempList[i]);
			} else {
				temp = new File(path + File.separator + tempList[i]);
			}
			if (temp.isFile()) {
				temp.delete();
			}
			if (temp.isDirectory()) {
				delAllFile(path + "/" + tempList[i]);// 先删除文件夹里面的文件
				delFolder(path + "/" + tempList[i]);// 再删除空文件夹
				flag = true;
			}
		}
		return flag;
	}
}
